Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Date:   Wed, 23 Mar 2022 15:08:34 +0800
From:   Oliver Sang <oliver.sang@intel.com>
To:     "Darrick J. Wong" <djwong@kernel.org>
Cc:     LKML <linux-kernel@vger.kernel.org>, lkp@lists.01.org,
        lkp@intel.com, xfs <linux-xfs@vger.kernel.org>,
        fstests <fstests@vger.kernel.org>
Subject: Re: [xfs]  1fc3f2c3c9: xfstests.xfs.529.fail
Message-ID: <20220323070834.GB16885@xsang-OptiPlex-9020>
References: <20220322135402.GB32582@xsang-OptiPlex-9020>
 <20220322162733.GP8241@magnolia>
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hi, Darrick,

On Tue, Mar 22, 2022 at 09:27:33AM -0700, Darrick J. Wong wrote:
> On Tue, Mar 22, 2022 at 09:54:02PM +0800, kernel test robot wrote:
> > 
> > 
> > Greeting,
> > 
> > FYI, we noticed the following commit (built with gcc-9):
> > 
> > commit: 1fc3f2c3c928c88654d4716af5cc4dee07b3a1c4 ("xfs: only free posteof blocks on first close")
> > https://git.kernel.org/cgit/linux/kernel/git/djwong/xfs-linux.git vectorized-scrub
> > 
> > in testcase: xfstests
> > version: xfstests-x86_64-1de1db8-1_20220217
> > with following parameters:
> > 
> > 	disk: 4HDD
> > 	fs: xfs
> > 	test: xfs-group-52
> > 	ucode: 0x21
> > 
> > test-description: xfstests is a regression test suite for xfs and other files ystems.
> > test-url: git://git.kernel.org/pub/scm/fs/xfs/xfstests-dev.git
> > 
> > 
> > on test machine: 4 threads 1 sockets Intel(R) Core(TM) i3-3220 CPU @ 3.30GHz with 8G memory
> > 
> > caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):
> > 
> > 
> > If you fix the issue, kindly add following tag
> > Reported-by: kernel test robot <oliver.sang@intel.com>
> > 
> 
> Could you export DIFF_LENGTH=0 in the test environment so that we get
> the full diff here, please?

the full diff is as below (also attached dmesg, full log, log for 529 in case
helpful):

xfs/529 [failed, exit status 1]- output mismatch (see /lkp/benchmarks/xfstests/results//xfs/529.out.bad)
    --- tests/xfs/529.out       2022-02-17 11:55:00.000000000 +0000
    +++ /lkp/benchmarks/xfstests/results//xfs/529.out.bad       2022-03-23 06:18:39.815036267 +0000
    @@ -4,21 +4,4 @@
     Inject reduce_max_iextents error tag
     Create fragmented file
     Verify $testfile's extent count
    -Disable reduce_max_iextents error tag
    -* Fallocate unwritten extents
    -Inject reduce_max_iextents error tag
    -Fallocate fragmented file
    -Verify $testfile's extent count
    -Disable reduce_max_iextents error tag
    -* Directio write
    -Inject reduce_max_iextents error tag
    -Create fragmented file via directio writes
    -Verify $testfile's extent count
    -Disable reduce_max_iextents error tag
    -* Extend quota inodes
    -Consume free space
    -Create fragmented filesystem
    -Inject reduce_max_iextents error tag
    -Inject bmap_alloc_minlen_extent error tag
    -Extend uquota file
    -Verify uquota inode's extent count
    +Extent count overflow check failed: nextents = 15


> 
> --D
> 

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Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment; filename=xfstests

2022-03-23 06:18:24 export TEST_DIR=/fs/sdb1
2022-03-23 06:18:24 export TEST_DEV=/dev/sdb1
2022-03-23 06:18:24 export FSTYP=xfs
2022-03-23 06:18:24 export SCRATCH_MNT=/fs/scratch
2022-03-23 06:18:24 mkdir /fs/scratch -p
2022-03-23 06:18:24 export SCRATCH_DEV=/dev/sdb4
2022-03-23 06:18:24 export SCRATCH_LOGDEV=/dev/sdb2
2022-03-23 06:18:24 export SCRATCH_XFS_LIST_METADATA_FIELDS=u3.sfdir3.hdr.parent.i4
2022-03-23 06:18:24 export SCRATCH_XFS_LIST_FUZZ_VERBS=random
DIFF_LENGTH=
0
END
2022-03-23 06:18:24 sed "s:^:xfs/:" //lkp/benchmarks/xfstests/tests/xfs-group-52
2022-03-23 06:18:24 ./check xfs/520 xfs/522 xfs/523 xfs/524 xfs/525 xfs/526 xfs/527 xfs/529
FSTYP         -- xfs (debug)
PLATFORM      -- Linux/x86_64 lkp-ivb-d05 5.17.0-rc8-00340-g1fc3f2c3c928 #1 SMP Mon Mar 21 07:17:57 CST 2022
MKFS_OPTIONS  -- -f /dev/sdb4
MOUNT_OPTIONS -- /dev/sdb4 /fs/scratch

xfs/520	 3s
xfs/522	[not run] need configuration file support in mkfs.xfs
xfs/523	[not run] need configuration file support in mkfs.xfs
xfs/524	[not run] need configuration file support in mkfs.xfs
xfs/525	[not run] need configuration file support in mkfs.xfs
xfs/526	[not run] need configuration file support in mkfs.xfs
xfs/527	 2s
xfs/529	[failed, exit status 1]- output mismatch (see /lkp/benchmarks/xfstests/results//xfs/529.out.bad)
    --- tests/xfs/529.out	2022-02-17 11:55:00.000000000 +0000
    +++ /lkp/benchmarks/xfstests/results//xfs/529.out.bad	2022-03-23 06:18:39.815036267 +0000
    @@ -4,21 +4,4 @@
     Inject reduce_max_iextents error tag
     Create fragmented file
     Verify $testfile's extent count
    -Disable reduce_max_iextents error tag
    -* Fallocate unwritten extents
    -Inject reduce_max_iextents error tag
    -Fallocate fragmented file
    -Verify $testfile's extent count
    -Disable reduce_max_iextents error tag
    -* Directio write
    -Inject reduce_max_iextents error tag
    -Create fragmented file via directio writes
    -Verify $testfile's extent count
    -Disable reduce_max_iextents error tag
    -* Extend quota inodes
    -Consume free space
    -Create fragmented filesystem
    -Inject reduce_max_iextents error tag
    -Inject bmap_alloc_minlen_extent error tag
    -Extend uquota file
    -Verify uquota inode's extent count
    +Extent count overflow check failed: nextents = 15
Ran: xfs/520 xfs/522 xfs/523 xfs/524 xfs/525 xfs/526 xfs/527 xfs/529
Not run: xfs/522 xfs/523 xfs/524 xfs/525 xfs/526
Failures: xfs/529
Failed 1 of 8 tests


--A6N2fC+uXW/VQSAv
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment; filename="529.full"

meta-data=/dev/sdb4              isize=512    agcount=4, agsize=32768 blks
         =                       sectsz=4096  attr=2, projid32bit=1
         =                       crc=1        finobt=1, sparse=1, rmapbt=0
         =                       reflink=0
data     =                       bsize=4096   blocks=131072, imaxpct=25
         =                       sunit=0      swidth=0 blks
naming   =version 2              bsize=4096   ascii-ci=0, ftype=1
log      =internal log           bsize=4096   blocks=1605, version=2
         =                       sectsz=4096  sunit=1 blks, lazy-count=1
realtime =none                   extsz=4096   blocks=0, rtextents=0
wrote 4096/4096 bytes at offset 0
4 KiB, 1 ops; 0.0185 sec (216.099 KiB/sec and 54.0249 ops/sec)
wrote 4096/4096 bytes at offset 8192
4 KiB, 1 ops; 0.0157 sec (253.888 KiB/sec and 63.4719 ops/sec)
wrote 4096/4096 bytes at offset 16384
4 KiB, 1 ops; 0.0158 sec (251.620 KiB/sec and 62.9050 ops/sec)
wrote 4096/4096 bytes at offset 24576
4 KiB, 1 ops; 0.0160 sec (248.648 KiB/sec and 62.1620 ops/sec)
wrote 4096/4096 bytes at offset 32768
4 KiB, 1 ops; 0.0160 sec (249.423 KiB/sec and 62.3558 ops/sec)
wrote 4096/4096 bytes at offset 40960
4 KiB, 1 ops; 0.0158 sec (251.604 KiB/sec and 62.9010 ops/sec)
wrote 4096/4096 bytes at offset 49152
4 KiB, 1 ops; 0.0161 sec (247.755 KiB/sec and 61.9387 ops/sec)
wrote 4096/4096 bytes at offset 57344
4 KiB, 1 ops; 0.0159 sec (250.878 KiB/sec and 62.7195 ops/sec)
pwrite: File too large
pwrite: File too large
pwrite: File too large
pwrite: File too large
pwrite: File too large
pwrite: File too large
pwrite: File too large

--A6N2fC+uXW/VQSAv
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment; filename="529.out.bad"

QA output created by 529
Format and mount fs
* Delalloc to written extent conversion
Inject reduce_max_iextents error tag
Create fragmented file
Verify $testfile's extent count
Extent count overflow check failed: nextents = 15

--A6N2fC+uXW/VQSAv--